changed $parent to $context in second if

When using a variable for $context in the function parameters that contained units, it wasn't able to do the return because $context wasn't being redefined sans units.
Fancytiles mobile columns arg now defaults to 0px. Width set outside of media query as IE8 fallback
Recompiled merged changes
Merge branch 'wadehammes-patch-1' into hotfix/2.5.12
On mousemove bind mobile dropdown toggle to hover, workaround for pixels
Merge branch 'hotfix/2.5.12'